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Finding the Fourth Proportional to 606,707.79, 910,062.09 and 251,626.47

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Solution

The fourth proportional to 606,707.79, 910,062.09 and 251,626.47 is: 377,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,707.79 : 910,062.09 = 251,626.47 : x
  2. Step 2: Convert to fraction form
    606,707.79/910,062.09 = 251,626.47/x
  3. Step 3: Cross multiply
    606,707.79x = 910,062.09 × 251,626.47
  4. Step 4: Simplify right side
    606,707.79x = 228,995,711,187.52
  5. Step 5: Solve for x
    x = 228,995,711,187.52/606,707.79
  6. Step 6: Final answer
    x = 377,439.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.